Recycled pulp jumbo paper refers to the jumbo paper produced from waste paper. Its main detection performance is as follows:
Strength and tensile properties: to ensure that it is not easily broken or deformed during use. Its strength and tensile properties can be evaluated by testing methods such as tensile test and tear test.
Surface flatness: to ensure that there will be no problems such as paper jams or unstable quality during printing, coating and other processes. Its surface flatness can be evaluated by a surface flatness test.
Water absorption performance: in order to absorb ink or paint during printing, painting and other processes. Its water absorption performance can be evaluated by water absorption test.
Burst resistance: to ensure that it is not easily broken or damaged during transportation and use. Burst resistance can be evaluated by a burst resistance test.
Gloss: for better visual effects in printing, packaging and other fields. Its gloss can be evaluated by a gloss test.
Environmental protection: no pollution to the environment. Environmental protection performance can be evaluated by environmental protection test.
Adhesive performance: so that it is not easy to fall off or peel off during use. Its adhesive performance can be evaluated by adhesive performance test.
Degradability: to reduce environmental pollution and waste of resources. Its degradability performance can be evaluated by degradability test.
Paper thickness: The thickness of the recycled pulp shaft paper needs to meet the requirements of the product, which can be evaluated by the paper thickness test.
Paper moisture content: The moisture content of recycled pulp spool paper needs to meet the requirements of the product, which can be evaluated by paper moisture content testing.
Detection method
The detection of recycled pulp jumbo paper needs to adopt corresponding test methods and standards according to different performance indicators. The following are some common testing methods for the performance of recycled pulp jumbo paper:
Strength and tensile properties: Test methods such as tensile test and tear test can be used to evaluate its strength and tensile properties. The tensile test generally uses a multifunctional testing machine, and the longitudinal and transverse directions are the main test directions. The tear test evaluates the strength of paper by measuring the tearing force of the paper under certain conditions.
Surface smoothness: Its surface smoothness can be evaluated using a surface flatness Tester, which evaluates its surface smoothness by measuring the unevenness index of the paper surface.
Water absorption: Water absorption can be evaluated using a Water Absorption Tester, which measures the water absorption of paper by measuring the amount of water it absorbs.
Burst resistance: Burst resistance can be assessed using a burst resistance Tester, which measures the bursting force of a paper under certain conditions.
Gloss: Gloss can be assessed using a gloss Tester, which measures how well a paper reflects light.
Environmental protection: Its environmental protection performance can be evaluated by detection methods such as heavy metals and harmful substances, such as X-ray fluorescence spectrometer, inductively coupled plasma mass spectrometer and other instruments to detect samples.
Adhesive performance: Adhesive performance can be evaluated using a peel strength Tester, which evaluates adhesive performance by measuring the bond strength between paper and adhesive materials.
Degradability: Soil burial test and other methods can be used to evaluate its degradable performance. This method evaluates its degradable performance by burying paper in soil and measuring its degradation speed and quality change.
Paper thickness: You can use instruments such as hand-feel Thickness Gauges and electronic Thickness Gauges to measure the thickness of paper for evaluation.
Paper moisture content: Paper moisture content can be measured using a paper moisture Tester for evaluation.
Precautions
When testing recycled pulp jumbo paper, you need to pay attention to the following points:
Sample selection: It is necessary to randomly select samples from well-represented batches for testing, and pay attention to the storage and handling of samples to avoid affecting the test results.
Control of test conditions: It is necessary to strictly control the test conditions, including temperature, humidity, light and other factors, to avoid the influence of these factors on the test results.
Calibration of test equipment: Test equipment needs to be calibrated regularly to ensure its accuracy and reliability.
Data processing and analysis: It is necessary to conduct statistics and analysis on test data to determine its qualified range and evaluate its product quality.
In short, the detection of recycled pulp jumbo paper needs to select corresponding test methods and standards according to different performance indicators, and carry out under strict experimental conditions to ensure product quality and safety.
